在膝关节后上方，坐骨神经分成两条神经，胫神经和腓总神经，它们都支配小腿和足。

Above the back of the knee, the sciatic nerve divides into two nerves, the tibial and the common peroneal nerve, both of which serve the lower leg and foot.

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尺神经32条，桡神经65条，正中神经根24条，坐骨神经19条，腓总神经18条，股神经9条，胫后神经11条，腋神经6条，肌皮神经2条。

There were 32 ulnar nerves, 65 radial nerves, 24 median nerves, 19 sciatic nerves, 18 common peroneal nerves, 9 femoral nerves, 11 posterior tibial nerves.

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共行肌皮神经缩窄11例，正中神经缩窄15例，胫神经缩窄37例，闭孔神经缩窄6例，坐骨神经缩窄11例，腓深神经缩窄2例。

The neurotomies include 11 musculocutaneous nerves, 15 median nerves, 37 tibial nerves, 6 obturator nerves, 11 sciatic nerves, 2 profound peroneal nerves.

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